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Package

multicodec

JavaScript implementation of the multicodec specification

v3.2.1, 2 Sept 2021MITCommonJSTypes: Bundled
$ npm install multicodec
Deprecated on npm
This module has been superseded by the multiformats module

Key numbers

As of 25 Sept 2026
Weekly downloads
782.9k
-6% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
2
Direct, from package.json
Last release
5 years ago
v3.2.1
GitHub stars
21
20 forks
Open issues / PRs
2 / 1
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
0500k1m1.5mSept 2025Mar 2026Sept 2026High 1.3m (25 Nov 2025)Low 373.4k (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

782,850 downloads last week, 3,751,035 in the last month. The 12-month change of -6% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
045 in total
Latest version
3.2.1, 2 Sept 20215 years ago
First published
26 Sept 2016
Last push to GitHub
9 May 2025503 days before the snapshot
Repository archived
Yes
Open issues
2
Open pull requests
1
Commits, last 52 weeks
0
Dependents on npm
-

Major versions

  1. v3 first release 3.0.0, 2 Mar 2021
  2. v2 first release 2.0.0, 31 Jul 2020
  3. v1 first release 1.0.0, 23 Dec 2019
  4. v0 first release 0.0.1, 26 Sept 2016

Recent releases

VersionPublished
3.2.12 Sept 2021
3.2.030 Aug 2021
3.1.124 Aug 2021
3.1.024 Jun 2021
3.0.12 Mar 2021
2.1.32 Mar 2021
3.0.02 Mar 2021
2.1.22 Mar 2021
2.1.12 Mar 2021
2.1.011 Dec 2020
2.0.411 Dec 2020
2.0.311 Dec 2020
2.0.211 Dec 2020
2.0.17 Sept 2020
Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
237 kB
Dependencies (2)
varintuint8arrays
npm install multicodec
  • jsDelivrhttps://cdn.jsdelivr.net/npm/multicodec@3.2.1/
  • unpkghttps://unpkg.com/multicodec@3.2.1/
  • esm.shhttps://esm.sh/multicodec@3.2.1
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): deprecated; no category.